The detective continued to search for the missing girl.
infinitive: to search.
infinitive phrase: to search for the missing girl.
Just when he started to doubt his plan, he found the scared young girl behind the door to the cabin.
infinitive: to doubt.
infinitive phrase: to doubt his plan.
Answer
Readers would most likely connect this excerpt to their lives by relating to wanting to make their parents proud.
Answer: The question you are asking is not clear.
The correct answer is C) Mom sent him and his brothers outside to play. In the other examples subjective case is used, not objective.